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Individual Calculations March 2015 |
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| Thorsteinsdottir, Hallgerdur Total change: 22.00 | |   |
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| Reykjavik Chess Championship 2015 | Reykjavik | ISL | 2015-01-04 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 1985 | 1992 | 3.00 | 6 | -0.08 | 20 | -1.60 | |
|  Mai, Aron Thor | | | 1592 * | ISL | 1.00 | 1 | 0.08 | 20 | 1.60 | | | Salama, Omar | | | 2282 | ISL | 0.50 | 1 | 0.34 | 20 | 6.80 | |  Gunnarsson, Jon Viktor | m | | 2392 * | ISL | 0.00 | 1 | -0.08 | 20 | -1.60 | | | Kjartansson, Dagur | | | 1731 | ISL | 1.00 | 1 | 0.18 | 20 | 3.60 | | | Hardarson, Jon Trausti | | | 2067 | ISL | 0.00 | 1 | -0.40 | 20 | -8.00 | | | Birkisson, Bardur Orn | | | 1843 | ISL | 0.50 | 1 | -0.20 | 20 | -4.00 | | | * Rating difference of more than 400. Please read more at FIDE Handbook |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | | | Huginn Chess Club and Breidablik Chess Club Guest Tournament 2015 | Kopavogur | ISL | 2015-01-08 |
| Rc | Ro | w | n | change | K | K*chg | Game |
| 2124 | 1992 | 3.50 | 7 | 1.18 | 20 | 23.60 | |
| | Magnusson, Audbergur | | | 1647 | ISL | 1.00 | 1 | 0.11 | 20 | 2.20 | | | Johannesson, Oliver | | | 2170 | ISL | 1.00 | 1 | 0.73 | 20 | 14.60 | | | Gislason, Gudmundur | f | | 2315 | ISL | 0.00 | 1 | -0.13 | 20 | -2.60 | | | Karlsson, Mikael Johann | | | 2077 | ISL | 0.50 | 1 | 0.12 | 20 | 2.40 | | | Teitsson, Magnus | | | 2205 | ISL | 0.50 | 1 | 0.27 | 20 | 5.40 | | | Einarsson, Halldor Gretar | f | | 2187 | ISL | 0.50 | 1 | 0.25 | 20 | 5.00 | | | Ptacnikova, Lenka | | wg | 2270 | ISL | 0.00 | 1 | -0.17 | 20 | -3.40 | |
Rc - average rating of rated opponents, Ro - rating of a player in a tournament, Rp - rating performance of an unrated player, W - points won in a tournament against rated opponents, N - total number of games against rated opponents, Change - change used for calculation according to formula, K - development coefficient, Kchg - rating change of a player calculated as (K * change) | | |
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